package java_1_21;
class A{
     int numA=10;
}
class B{
     int numB=20;
}
public class E {
    class C extends A{ }
    class D extends B{ }
    public void test(){
        C c=new C();
        D d=new D();
        System.out.println(c.numA);
        System.out.println(d.numB);
    }

    public static void main(String[] args) {
        E e=new E();
        e.test();
    }
}
